Serdica Bulgariacae mathematicae publicationes
Volume 3, 1977
Number 1
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Ivanov, R. P., Cv. H. Nedeva.
Convergence in the method of conjugate gradients. (in Russian) (pp. 3-10)
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Martinov, N. I.
3-colorable planar graphs.
(in Russian)
(pp. 11-16)
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Ivanova, P. P.
Riemann manifolds with constant
generalized curvature of Ricci.
(pp. 17-19)
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Boyadziev, H. N.
Characterization of
B*-equivalent Banach algebras by means of their positive cones.
(pp. 20-24)
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Dzakov, P. B.
A remark on the space of holomorphic functions on an algebraic variety in n-dimensional complex space. (in Russian)
(pp. 25-29)
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Cvetanov, M. M., T. P. Ivanova.
The solution of some variational problems with partial derivatives by method of duality. (in Russian)
(pp. 30-40)
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Ivanova-Karatopraklieva, I. I.
Second order nonrigidity of some composite surfaces of revolution. (in Russian)
(pp. 41-51)
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Karadzov, G. E.
The membership of integral operators in the classes Sq for 0 < q < 2. (in Russian)
(pp. 52-70)
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Dimitrov, B. N., S. I. Delev, R. Rangelova.
Characteristics of the origin of a queue in queueing systems with a Poisson input flow. (in Russian) (pp. 71-81)
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Száz, Á.
The multiplier extensions of admissible
vector modules and the Mikusinski-type convergences.
(pp. 82-87)
Number 2
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Panceva, E. I.
Der Satz von Rao-Bahadur für
grosse Abweichungen bei unabhangigen und nicht identisch verteilten
Zufallsgrossen. (in German)
(pp. 89-93)
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Popov G. I.
Extensions of a functional list processor.
(pp. 94-105)
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Martinov, N. J., Ch. G. Lozanov.
On complete
6-arcs in Desarguesian projective planes. (in Russian)
(pp. 106-116)
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Khadzhiivanov, N. G., N. D. Nenov.
Extremal problems for
s-graphs and a theorem of Turan. (in Russian)
(pp. 117-125)
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Bogatyj, S. A., G. S. Skordev.
A fixed point theorem for
nearly extendable maps. (in Russian)
(pp. 126-129)
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Khadzhiivanov, N. G., A. L. Khamamdzhiev.
A certain method of P.S. Uryson for a proof of non-intersection by an
Fs-subset. (in Russian)
(pp. 130-135)
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Damyanov, B. P., D. L. Danov, Khristo Ya. Khristov.
Sets of asymptotic numbers closed with respect to each of the four
algebraic operations. (in Russian)
(pp. 136-151)
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Petkov, V. M.
Propagation des singularites pour
des systèmes hyperboliques non symetrisables à caracteristiques de multiplicitè constante. (in French) (pp. 152-158)
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Ivanova-Karatopraklieva, I.
Non-rigidity of
second order of some composite surfaces of revolution. (in Russian)
(pp. 159-167)
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Heinrich, S.
Some properties of operator spaces.
(pp. 168-175)
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Antosik, P.
Mappings from convergence groups into
quasi-normed groups.
(pp. 176-179)
Number 3
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Salakhitdinov, M. S., S. S. Isamukhamedov.
Boundary
value problems for an equation of mixed type of the second kind.
(in Russian)
(pp. 181-188)
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Petkov, V. M.
Propagation des singularitès pour
une classe des systemes hyperboliques à caractèristiques de
multiplicitè variable. (in French)
(pp. 189-197)
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Antosik, P.
A diagonal theorem, uniform
boundedness and equicontinuity theorems for triangle set functions.
(pp. 198-205)
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Cobanov, G. I.
Quasilinear degenerate
elliptic-parabolic equations of second order.
(pp. 206-226)
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Junek, H.
On dual spaces of locally convex spaces
defined by ideals of operators.
(pp. 227-235)
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Donchev, A. L., R. P. Ivanov.
Estimates of
the solution of the problem of a conditional extremum by means of its best approximation. (in Russian)
(pp. 236-241)
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Chakalov, V. L.
A note on a theorem of Korovkin. (Russian)
(pp. 242-248)
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Popivanov, P. R.
A new short proof of a certain theorem on
regular hypoellipticity. (in Russian)
(pp. 249-252)
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Ivanov, R. P., N. V. Kyurkchiev.
Methods for solution of equations and systems of equations using quadratic functions. (in Russian)
(pp. 253-260)
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Bojanov, B. D.
Existence of extended monosplines of least deviation.
(pp. 261-272)
Number 4
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Levitan, B. M., G. Sh. Gusejnov.
The calculation of the principal term of the asymptotics of the length of the lacuna of the periodic Sturm-Liouville problem.
(in Russian)
(pp. 273-280)
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Jannussis, A., N. Patargias.
Wigner operator and Wigner distribution. (English)
(pp. 281-286)
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Jannussis, A., N. Patargias, G. Brodimas.
Phase space and the Wigner equation.
(pp. 287-291)
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Antosik, P.
Permutationally convergent matrices.
(pp. 292-298)
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Bokut', L. A.
Certain questions of ring theory. (in Russian)
(pp. 299-308)
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Petkov, V. M.
Sur la condition de Levi pour des
systèmes hyperboliques à caracteristiques de multiplicité variable. (in French)
(pp. 309-317)
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Khinich, V. A.
Gorenstein modules of a ring of invariants. (in Russian)
(pp. 318-321)
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Zajtsev, V. A.
Estimates for the probability of fault-free operation of redundant systems with repair. (in Russian)
(pp. 322-326)
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Karadzhov, G. E.
The behavior at infinity of a function from the spaces Ba p,b. (in Russian)
(pp. 327-335)
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Levi, R. N.
Spectral analysis of strongly closed invariant subspaces and joint spectra of operators. (in Russian)
(pp. 336-343)
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Koschitzki, S., D. Stoyan.
Intersections of a random
process of linear segments with a given straight line.
(pp. 344-346)
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Petkov, M. G.
A remark on the method of filling in for matrix inversion. (in Russian)
(pp. 347-348)
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Petkova, S. V.
Spaces with finitely generated homology and cohomology. (in Russian)
(pp. 349-358)
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Markov, S. M.
A non-standard subtraction of intervals.
(pp. 359-370)
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Houstis, E. N.
The effect of numerical integration in
the finite element approximation of hyperbolic problems.
(pp. 371-380)
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